DCHECK that ProfileSyncService is created on the UI thread.

chrome/browser/sync/backend_migrator_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/sync/backend_migrator.h"
 
 #include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
 #include "base/tracked_objects.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/sync/profile_sync_service_mock.h"
 #include "components/sync_driver/data_type_manager_mock.h"
+#include "content/public/test/test_browser_thread_bundle.h"
 #include "sync/internal_api/public/base/model_type_test_util.h"
 #include "sync/internal_api/public/test/test_user_share.h"
 #include "sync/internal_api/public/write_transaction.h"
 #include "sync/protocol/sync.pb.h"
 #include "sync/syncable/directory.h"  // TODO(tim): Remove. Bug 131130.
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::_;
 using ::testing::Eq;
@@ skipping 55 matching lines @@
                          syncer::ModelTypeSet requested_types) {
     if (status == DataTypeManager::OK) {
       DataTypeManager::ConfigureResult result(status, requested_types);
       migrator_->OnConfigureDone(result);
     } else {
       DataTypeManager::ConfigureResult result(
           status,
           requested_types);
       migrator_->OnConfigureDone(result);
     }
-    message_loop_.RunUntilIdle();
+    base::RunLoop run_loop;
+    run_loop.RunUntilIdle();
   }
 
   ProfileSyncService* service() { return &service_; }
   DataTypeManagerMock* manager() { return &manager_; }
   syncer::ModelTypeSet preferred_types() { return preferred_types_; }
   BackendMigrator* migrator() { return migrator_.get(); }
   void RemovePreferredType(syncer::ModelType type) {
     preferred_types_.Remove(type);
     Mock::VerifyAndClear(&service_);
     ON_CALL(service_, GetPreferredDataTypes()).
         WillByDefault(Return(preferred_types_));
   }
 
  private:
-  scoped_ptr<SyncSessionSnapshot> snap_;
-  base::MessageLoop message_loop_;
+  content::TestBrowserThreadBundle thread_bundle_;
   syncer::ModelTypeSet preferred_types_;
   TestingProfile profile_;
   NiceMock<ProfileSyncServiceMock> service_;
   NiceMock<DataTypeManagerMock> manager_;
   syncer::TestUserShare test_user_share_;
   scoped_ptr<BackendMigrator> migrator_;
 };
 
 class MockMigrationObserver : public MigrationObserver {
  public:
@@ skipping 217 matching lines @@
   EXPECT_CALL(
       *manager(),
       PurgeForMigration(_, syncer::CONFIGURE_REASON_MIGRATION)).Times(1);
   migrator()->MigrateTypes(to_migrate);
   SetUnsyncedTypes(syncer::ModelTypeSet());
   SendConfigureDone(DataTypeManager::ABORTED, syncer::ModelTypeSet());
   EXPECT_EQ(BackendMigrator::IDLE, migrator()->state());
 }
 
 };  // namespace browser_sync